MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
OXYGEN_PERCENTAGE_(BY_WEIGHT)_IN_ATMOSPHERIC_AIR_IS?$ |
| A. | 22 |
| B. | 20 |
| C. | 19 |
| D. | 21 |
| Answer» E. | |
| 2. |
In_flue_gas_analysis_by_Orsat’s_apparatus,_carbon_dioxide_is_absorbed_by$# |
| A. | cuporus chloride |
| B. | dilute potassium carbonate |
| C. | potassium hydroxide |
| D. | alkaline pyragllol solution |
| Answer» D. alkaline pyragllol solution | |
| 3. |
With increase in moisture content of coal, it? |
| A. | calorific value increases sometimes |
| B. | bulk density always decreases |
| C. | clinkering tendency during combustion increases |
| D. | none of the mentioned |
| Answer» E. | |
| 4. |
_________ has the widest inflammability limit (explosion limit) of all the gases. |
| A. | Carbon monoxide |
| B. | Methane |
| C. | Hydrogen |
| D. | Acetylene |
| Answer» E. | |
| 5. |
__________ of the coal is the basis for Seylor’s coal classification. |
| A. | Proximate analysis |
| B. | Calorific value |
| C. | Ultimate analysis |
| D. | Caking index |
| Answer» D. Caking index | |